1. Proc. Natl. Acad. Sci. U.S.A.
2. From Neurons to Neighborhoods: The Science of Early Child Development 2000
3. P. Carneiro, J. J. Heckman, in Inequality in America: What Role for Human Capital Policies? J. J. Heckman, A. B. Krueger, B. Friedman, Eds. (MIT Press, Cambridge, MA, 2003), ch. 2, pp. 77–237.
4. Handbook of the Economics of Education
5. “The productivity argument for investing in young children ” 2004